Answer:
A)60°
Step-by-step explanation:
a straight line is 180° then
if a line bisect it in to a half it become 90°
then
the exterior angle of a triangle is equal to the sum of two interior angles
this means 150°-90°=60°
<h2>
Answer: 8</h2>
Step-by-step explanation:

Therefore, Mel has to work at least 7.5 hours or 8 total hours.
The answers is 2 x 3 x 6 = 36
12/84=1/7
divide the numerator and denominator of 12/84 with 12
Answer:
-w − z = <4, -7>
z − w = <6, 1>
w − z = <-6, -1>
Step-by-step explanation: